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The objective of passive solar heating systems is to maintain a pleasant interior temperature by storing solar heat inside the structure of the building and releasing it when the sun is not there. South-facing glass and thermal mass are the two main components of passive solar heating...
In order to choose and install the right solar water heating system, it is important to take into account a number of factors: the size of the roof or land, solar resource availability, trees, and buildings shading the roof, along with the right orientation and tilt of...
Solar energy is clean, it never runs out, and there is plenty of it. Solar power is becoming an increasingly popular option in the United States as the price of generating electricity using solar energy continues to fall year after year. There are already more than one...
Fuel cells are similar to batteries in some ways. They both produce an electric current from a chemical reaction. However, fuel cells use a continuous flow of fuel and air to produce an electrical current, rather than a single chemical reaction. The fuel is supplied to the fuel cell...
Nuclear reactors and the fuel they use were first developed in the 1940s as part of the Manhattan Project. This project, which aimed to develop the atomic bomb, also worked to harness the potential of nuclear power. In the decades since then, we’ve made great strides in improving and...
Wind turbines harness the power of the wind by using a horizontal axis wind turbine (HAWT). This type of turbine uses a propeller to catch the wind and convert it into energy. The blades are mounted on a vertical axis and spin at high speeds. The blades spin a...
Not only is nuclear energy efficient, but it also produces virtually no greenhouse gas emissions. This means that the fuel is created from the abundance of natural uranium, an element that is naturally occurring. The uranium is turned into fuel using a process called “enrichment,” a process that increases...